Apply the parking brake, loosen the self-locking nut slightly.
Mark the position of the rim on the wheel hub with paint.
Place the rear of the car on jack stands.
Remove the wheel.
Release the parking brake.
Unscrew the nut and remove the brake drum with the outer wheel bearing.
Mark the mounting position of the return springs.
Disconnect the return springs under the walking tool. The spring may be under a lot of tension.
Remove the setting lever and setting piece.
Rotate the fixing cup of the spring 90°, squeezing it hard with pliers.
Remove the front brake shoe, before disconnecting the lower spring from it.
Disconnect the parking brake cable from the handbrake lever by tilting down the rear brake shoe.
To remove the parking brake cable, it is necessary, by compressing the spring and removing the retaining ring, to disconnect the cable from the brake shield.
Remove the cuff-anther from the working brake cylinder. If there is moisture behind the boot, replace the wheel brake cylinder.
Establish a cuff duster on the working brake cylinder.
Installation
Before installation:
Clean the brake drum and brake caliper with alcohol. Brake cylinder wet with brake fluid, replace. Borage brake drums that have scratches and grooves.
Move the parking brake lever from the old to the new brake pad by unclenching the lock washer and removing the thrust washer.
Measure the diameter of the brake drum in at least 2 places. Replace the left and right brake drums and brake pads when the wear limit is reached or if wear is uneven.
Check the shape compatibility of the brake drum and brake shoes by chalking the inner surface of the brake drum and rubbing the brake shoe along it (see pic MCG20.003).
Coat the contact points between the brake pads and the brake shield, the brake pads and the locking pins, the rear surface of the piston with a thin layer of heat-reducing grease, after cleaning them well.
Lightly lubricate the threads and contact points of the adjusting element.
Set the parking brake lever and install the thrust washer and then the lock washer.
Treat the threaded part and the inner surface of the coupling with high-temperature grease.
To do this, tighten the spring with pliers and insert the retaining ring, connect the parking brake cable to the brake shield guide.
Connect the parking brake cable to the lever.
Install the brake shoe and secure it with locking pins, cups and springs. At the same time, fix the spring cup by turning it 90°.
Install the return springs into the brake shoes using brake spring pliers.
Check the operation of the automatic setting device: when moving forward and backward the parking brake lever on the rear brake shoe, the set screw should turn. If it does not turn, repeat installation.
Rotate the setting roller to the position of the shortest settable length.
Set the outside diameter of the brake pads to the required value using the set screw. The parking brake lever must be released.
Install the brake drum.
Pack the inner race of the outer bearing with bearing grease.
Install the hub bearing, tighten the new hub nut to the required torque.
Considering the marks made earlier, put the wheels and screw the wheel nuts.
Lower the car and tighten the nuts diagonally,
Install the grease cap, fill it with bearing grease. While pressing the brake pedal, carry out the basic setting of the clearance in the rear wheel brakes. Clicks in the brakes are heard before reaching the gap setting.
Adjust the parking brake.
When driving, try braking at medium speed.